Home / 761,017.42-1,050,201.40-438,725.98

Finding the Fourth Proportional to 761,017.42, 1,050,201.40 and 438,725.98

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Solution

The fourth proportional to 761,017.42, 1,050,201.40 and 438,725.98 is: 605,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,017.42 : 1,050,201.40 = 438,725.98 : x
  2. Step 2: Convert to fraction form
    761,017.42/1,050,201.40 = 438,725.98/x
  3. Step 3: Cross multiply
    761,017.42x = 1,050,201.40 × 438,725.98
  4. Step 4: Simplify right side
    761,017.42x = 460,750,638,412.37
  5. Step 5: Solve for x
    x = 460,750,638,412.37/761,017.42
  6. Step 6: Final answer
    x = 605,440.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.